#define _CRT_SECURE_NO_WARNINGS 1
#pragma once
#include <iostream>
#include <string.h>

using namespace std;

namespace wx
{
	class string
	{
	public:
		string(const char* str = " ");
		~string();
		char* c_str();
		void reserve(size_t n);
		void push_back(char ch);
		void append(const char* str);
	private:
		char* _str;
		size_t _size;
		size_t _capacity;
	};
}

void test1();

